94 



NATURAL HISTORY 



Class I 



Asteroidea 



Clccss X 

 Ophijiroidea 



OphioglypVja 

 brittle -star- 



ECHINODERMATA 



starfishes, etc 



m'w 



■'-i'lyfi"'-:.- 



K'#^- Her) 



Arbcxoicx 



sect urcHin 







i\» 



Thj/one. 

 sea: - cucuiTzber 



EcVjinarachniuS 

 sccncC dCollocr 



Class is: 



Holothuroidea 



Class IE 



Echirzoidea 



l^er^tacrmus 



Class ^ 



Crinoidea 



